public static void main(String args []) {
-
- GetPot cl = disjoint gp1 new GetPot(args, "Flags");
+ String[] args1 = new String[7];
+ args1[0] = "program";
+ args1[1] = "-yox";
+ args1[2] = "-nxj";
+ args1[3] = "-dude";
+ args1[4] = "-fernb";
+ args1[5] = "--ok";
+ args1[6] = "gibberish";
+
+ GetPot cl = disjoint gp1 new GetPot(args1, "Flags");
if( cl.size() == 1 || cl.search("--help", "-h") ) print_help();
// does first argument contain 'x', 'X', 'c', 'C', 'k', or 'K' ?
// is there any option starting with '-' containing 'a', 'b', or 'c' ?
boolean abc_f = cl.options_contain("abc");
- System.printString("first flag = " + first_f);
- System.printString("second flag = " + second_f);
- System.printString("a, b, or c found = " + abc_f );
+ System.printString("first flag = " + first_f+"\n");
+ System.printString("second flag = " + second_f+"\n");
+ System.printString("a, b, or c found = " + abc_f+"\n");
+ String[] args2 = new String[5];
+ args2[0] = "program";
+ args2[1] = "-V";
+ args2[2] = "-9.81";
+ args2[3] = "-U";
+ args2[4] = "-Heinz";
- cl = disjoint gp2 new GetPot(args, "DirectFollow");
+ cl = disjoint gp2 new GetPot(args2, "DirectFollow");
if( cl.size() == 1 || cl.search("--help", "-h") ) print_help("DirectFollow");
+ String[] args3 = new String[5];
+ args3[0] = "program";
+ args3[1] = "-gjhx";
+ args3[2] = "--rudimental";
+ args3[3] = "guy";
+ args3[4] = "dude";
-
- cl = disjoint gp3 new GetPot(args, "Filter");
+ cl = disjoint gp3 new GetPot(args3, "Filter");
GetPot ifpot = disjoint gp4 new GetPot("example.pot");
// (1) search for multiple options with the same meaning
// of the argument inside the namespace given by prefix
ifpot.set_prefix("group/");
- System.printString(" -- flags in options / arguments");
+ System.printString(" -- flags in options / arguments"+"\n");
first_f = ifpot.argument_contains(1, "xX");
second_f = ifpot.argument_contains(1, "cCkK");
abc_f = ifpot.options_contain("abc");
- System.printString(" Flags in first argument in [flags]\n");
- System.printString(" x or X in arg 1 = " + first_f);
- System.printString(" c, C, k or K in arg 1 = " + second_f);
- System.printString(" a,b, or c in options = " + abc_f);
- System.printString("");
- System.printString(" -- search(), next() and follow()");
- System.printString("");
- System.printString(" found \"--rudimental\" = " + ifpot.search("--rudimental"));
+ System.printString(" Flags in first argument in [flags]\n"+"\n");
+ System.printString(" x or X in arg 1 = " + first_f+"\n");
+ System.printString(" c, C, k or K in arg 1 = " + second_f+"\n");
+ System.printString(" a,b, or c in options = " + abc_f+"\n");
+ System.printString(""+"\n");
+ System.printString(" -- search(), next() and follow()"+"\n");
+ System.printString(""+"\n");
+ System.printString(" found \"--rudimental\" = " + ifpot.search("--rudimental")+"\n");
int Tmp1 = ifpot.next(-1);
int Tmp2 = ifpot.next(-1);
- System.printString(" followed by " + Tmp1 + " " + Tmp2);
+ System.printString(" followed by " + Tmp1 + " " + Tmp2+"\n");
String Tmp3 = ifpot.follow("nothing", "--rudimental");
int Tmp4 = ifpot.next(-1);
- System.printString(" rudimental = " + Tmp3 + ", " + Tmp4 + "\n");
+ System.printString(" rudimental = " + Tmp3 + ", " + Tmp4 + "\n"+"\n");
// -- variables
- System.printString("");
- System.printString(" -- variables in section [user-variables]");
- System.printString("");
+ System.printString(""+"\n");
+ System.printString(" -- variables in section [user-variables]"+"\n");
+ System.printString(""+"\n");
ifpot.set_prefix("user-variables/");
String variable_names[] = ifpot.get_variable_names();
for(int i=0; i < variable_names.length ; i++) {
String name = variable_names[i];
- System.printString(" " + name + " \t= ");
- System.printString(""+ifpot.call(name, 1e37, 0));
- System.printString("[" + ifpot.call(name, "[1]", 1) + "]\n");
+ System.printString(" " + name + " \t= "+"\n");
+ System.printString(""+ifpot.call(name, 1e37, 0)+"\n");
+ System.printString("[" + ifpot.call(name, "[1]", 1) + "]\n"+"\n");
}
- System.printString("");
+ System.printString(""+"\n");
// -- pseudo function calls
if( cl.search("--nice") ) {
- System.printString(" -- pseudo function call feature");
- System.printString("");
+ System.printString(" -- pseudo function call feature"+"\n");
+ System.printString(""+"\n");
ifpot.set_prefix("pseudo-function-calls/");
ifpot.init_multiple_occurrence();
}
}
else {
- System.printString("(use the --nice command line flag for graphical output)");
+ System.printString("(use the --nice command line flag for graphical output)"+"\n");
}
- System.printString("");
-
-
+ System.printString(""+"\n");
- cl = disjoint gp5 new GetPot(args, "Get");
+ cl = disjoint gp5 new GetPot(args1, "Get");
ifpot = disjoint gp6 new GetPot("expand.pot");
if( cl.search("--internal-information", "-i") ) {
- cl = disjoint gp7 new GetPot(args, "Follow");
+ cl = disjoint gp7 new GetPot(args1, "Follow");
// to function 'cl.search(..)'
if( cl.search("--help", "-h", "--hilfe") )
- cl = disjoint gp8 new GetPot(args, "Get");
+ cl = disjoint gp8 new GetPot(args1, "Get");
// GetPot Java can treat upto 6 strings, then it needs a String[]
if( cl.search("--help", "-h", "--hilfe", "--sos", "--about", "--what-is") ) {
+ System.exit(-1);
-
- cl = disjoint gp9 new GetPot(args, "InputFile");
+
+ cl = disjoint gp9 new GetPot(args1, "InputFile");
GetPot ifile = disjoint gp10 new GetPot("example.pot");
if( cl.size() == 1 || cl.search("--help", "-h") )
if( n_f ) { nfl = "activated"; } else { nfl = "disabled"; }
System.printString("nonsense-flag = " + nfl);
+
-
- cl = disjoint gp11 new GetPot(args, "Next");
+ cl = disjoint gp11 new GetPot(args1, "Next");
// all the following pain, only to pass a string array
// to function 'cl.search(..)'
- cl = disjoint gp12 new GetPot(args, "Nominus");
+ cl = disjoint gp12 new GetPot(args1, "Nominus");
// if( cl.size() == 1 || cl.search("--help", "-h") ) print_help();
- cl = disjoint gp13 new GetPot(args, "Options");
+ cl = disjoint gp13 new GetPot(args1, "Options");
// (1) search for a single option
// -------------------------------
- cl = disjoint gp14 new GetPot(args, "Ufo");
+ cl = disjoint gp14 new GetPot(args1, "Ufo");
String[] ufos = new String[1];
if( cl.search("-h", "--help") ) {
- cl = disjoint gp16 new GetPot(args, "Variables");
+ cl = disjoint gp16 new GetPot(args1, "Variables");
if( cl.size() == 1 || cl.search("--help", "-h") ) print_help("java Variables");
if( cl.search("--internal-information", "-i") ) {
static void something(String User, String User2, String User3,
double Value, double Value2, double Value3,
int Number, int Number2, int Number3) {
- System.printString("Users = " + User + ", " + User2 + ", " + User3);
- System.printString("Values = " + Value + ", " + Value2 + ", " + Value3);
- System.printString("Numbers = " + Number + ", " + Number2 + ", " + Number3);
+ System.printString("Users = " + User + ", " + User2 + ", " + User3+"\n");
+ System.printString("Values = " + Value + ", " + Value2 + ", " + Value3+"\n");
+ System.printString("Numbers = " + Number + ", " + Number2 + ", " + Number3+"\n");
}
static void print_help() {
- System.printString("help!");
+ System.printString("help!\n");
System.exit(0);
}
static void print_help(String s) {
- System.printString("help!");
+ System.printString("help!\n");
System.exit(0);
}
}
--- /dev/null
+/* Double.java -- object wrapper for double
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+//package java.lang;
+
+
+/**
+ * Instances of class <code>Double</code> represent primitive
+ * <code>double</code> values.
+ *
+ * Additionally, this class provides various helper functions and variables
+ * related to doubles.
+ *
+ * @author Paul Fisher
+ * @author Andrew Haley (aph@cygnus.com)
+ * @author Eric Blake (ebb9@email.byu.edu)
+ * @author Tom Tromey (tromey@redhat.com)
+ * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
+ * @since 1.0
+ * @status partly updated to 1.5
+ */
+public final class Double extends Number //implements Comparable<Double>
+{
+ /**
+ * Compatible with JDK 1.0+.
+ */
+ //private static final long serialVersionUID = -9172774392245257468L;
+
+ /**
+ * The maximum positive value a <code>double</code> may represent
+ * is 1.7976931348623157e+308.
+ */
+ public /*static*/ final double _MAX_VALUE;// = 1.7976931348623157e+308;
+ public double MAX_VALUE() { return _MAX_VALUE; }
+ /**
+ * The minimum positive value a <code>double</code> may represent
+ * is 5e-324.
+ */
+ public /*static*/ final double _MIN_VALUE;// = 5e-324;
+ public double MIN_VALUE() { return _MIN_VALUE; }
+
+
+ /**
+ * The value of a double representation -1.0/0.0, negative
+ * infinity.
+ */
+ //public /*static*/ final double NEGATIVE_INFINITY = -1.0 / 0.0;
+
+ /**
+ * The value of a double representing 1.0/0.0, positive infinity.
+ */
+ //public /*static*/ final double POSITIVE_INFINITY = 1.0 / 0.0;
+
+ /**
+ * All IEEE 754 values of NaN have the same value in Java.
+ */
+ //public /*static*/ final double NaN = 0.0 / 0.0;
+
+ /**
+ * The number of bits needed to represent a <code>double</code>.
+ * @since 1.5
+ */
+ public /*static*/ final int _SIZE;
+ public int SIZE() { return _SIZE; }
+
+ /**
+ * The primitive type <code>double</code> is represented by this
+ * <code>Class</code> object.
+ * @since 1.1
+ */
+ //public /*static*/ final Class<Double> TYPE = (Class<Double>) VMClassLoader.getPrimitiveClass('D');
+
+ /**
+ * The immutable value of this Double.
+ *
+ * @serial the wrapped double
+ */
+ private final double value;
+
+ /**
+ * Create a <code>Double</code> from the primitive <code>double</code>
+ * specified.
+ *
+ * @param value the <code>double</code> argument
+ */
+ public Double(double value)
+ {
+ _MAX_VALUE = 1.7976931348623157e+308;
+ _MIN_VALUE = 5e-324;
+ //NEGATIVE_INFINITY = -1.0 / 0.0;
+ //POSITIVE_INFINITY = 1.0 / 0.0;
+ //NaN = 0.0 / 0.0;
+ _SIZE = 64;
+
+ this.value = value;
+ }
+
+ /**
+ * Create a <code>Double</code> from the specified <code>String</code>.
+ * This method calls <code>Double.parseDouble()</code>.
+ *
+ * @param s the <code>String</code> to convert
+ * @throws NumberFormatException if <code>s</code> cannot be parsed as a
+ * <code>double</code>
+ * @throws NullPointerException if <code>s</code> is null
+ * @see #parseDouble(String)
+ */
+ public Double(String s)
+ {
+ value = parseDouble(s);
+ }
+
+ /**
+ * Convert the <code>double</code> to a <code>String</code>.
+ * Floating-point string representation is fairly complex: here is a
+ * rundown of the possible values. "<code>[-]</code>" indicates that a
+ * negative sign will be printed if the value (or exponent) is negative.
+ * "<code><number></code>" means a string of digits ('0' to '9').
+ * "<code><digit></code>" means a single digit ('0' to '9').<br>
+ *
+ * <table border=1>
+ * <tr><th>Value of Double</th><th>String Representation</th></tr>
+ * <tr><td>[+-] 0</td> <td><code>[-]0.0</code></td></tr>
+ * <tr><td>Between [+-] 10<sup>-3</sup> and 10<sup>7</sup>, exclusive</td>
+ * <td><code>[-]number.number</code></td></tr>
+ * <tr><td>Other numeric value</td>
+ * <td><code>[-]<digit>.<number>
+ * E[-]<number></code></td></tr>
+ * <tr><td>[+-] infinity</td> <td><code>[-]Infinity</code></td></tr>
+ * <tr><td>NaN</td> <td><code>NaN</code></td></tr>
+ * </table>
+ *
+ * Yes, negative zero <em>is</em> a possible value. Note that there is
+ * <em>always</em> a <code>.</code> and at least one digit printed after
+ * it: even if the number is 3, it will be printed as <code>3.0</code>.
+ * After the ".", all digits will be printed except trailing zeros. The
+ * result is rounded to the shortest decimal number which will parse back
+ * to the same double.
+ *
+ * <p>To create other output formats, use {@link java.text.NumberFormat}.
+ *
+ * @XXX specify where we are not in accord with the spec.
+ *
+ * @param d the <code>double</code> to convert
+ * @return the <code>String</code> representing the <code>double</code>
+ */
+ public static String toString(double d)
+ {
+ //return VMDouble.toString(d, false);
+ return "0.0";
+ }
+
+ /**
+ * Convert a double value to a hexadecimal string. This converts as
+ * follows:
+ * <ul>
+ * <li> A NaN value is converted to the string "NaN".
+ * <li> Positive infinity is converted to the string "Infinity".
+ * <li> Negative infinity is converted to the string "-Infinity".
+ * <li> For all other values, the first character of the result is '-'
+ * if the value is negative. This is followed by '0x1.' if the
+ * value is normal, and '0x0.' if the value is denormal. This is
+ * then followed by a (lower-case) hexadecimal representation of the
+ * mantissa, with leading zeros as required for denormal values.
+ * The next character is a 'p', and this is followed by a decimal
+ * representation of the unbiased exponent.
+ * </ul>
+ * @param d the double value
+ * @return the hexadecimal string representation
+ * @since 1.5
+ */
+ public static String toHexString(double d)
+ {
+ /*
+ if (isNaN(d))
+ return "NaN";
+ if (isInfinite(d))
+ return d < 0 ? "-Infinity" : "Infinity";
+
+ long bits = doubleToLongBits(d);
+ StringBuilder result = new StringBuilder();
+
+ if (bits < 0)
+ result.append('-');
+ result.append("0x");
+
+ final int mantissaBits = 52;
+ final int exponentBits = 11;
+ long mantMask = (1L << mantissaBits) - 1;
+ long mantissa = bits & mantMask;
+ long expMask = (1L << exponentBits) - 1;
+ long exponent = (bits >>> mantissaBits) & expMask;
+
+ result.append(exponent == 0 ? '0' : '1');
+ result.append('.');
+ result.append(Long.toHexString(mantissa));
+ if (exponent == 0 && mantissa != 0)
+ {
+ // Treat denormal specially by inserting '0's to make
+ // the length come out right. The constants here are
+ // to account for things like the '0x'.
+ int offset = 4 + ((bits < 0) ? 1 : 0);
+ // The silly +3 is here to keep the code the same between
+ // the Float and Double cases. In Float the value is
+ // not a multiple of 4.
+ int desiredLength = offset + (mantissaBits + 3) / 4;
+ while (result.length() < desiredLength)
+ result.insert(offset, '0');
+ }
+ result.append('p');
+ if (exponent == 0 && mantissa == 0)
+ {
+ // Zero, so do nothing special.
+ }
+ else
+ {
+ // Apply bias.
+ boolean denormal = exponent == 0;
+ exponent -= (1 << (exponentBits - 1)) - 1;
+ // Handle denormal.
+ if (denormal)
+ ++exponent;
+ }
+
+ result.append(Long.toString(exponent));
+ return result.toString();
+ */
+ return "0x0";
+ }
+
+ /**
+ * Returns a <code>Double</code> object wrapping the value.
+ * In contrast to the <code>Double</code> constructor, this method
+ * may cache some values. It is used by boxing conversion.
+ *
+ * @param val the value to wrap
+ * @return the <code>Double</code>
+ * @since 1.5
+ */
+ public static Double valueOf(double val)
+ {
+ // We don't actually cache, but we could.
+ return new Double(val);
+ }
+
+ /**
+ * Create a new <code>Double</code> object using the <code>String</code>.
+ *
+ * @param s the <code>String</code> to convert
+ * @return the new <code>Double</code>
+ * @throws NumberFormatException if <code>s</code> cannot be parsed as a
+ * <code>double</code>
+ * @throws NullPointerException if <code>s</code> is null.
+ * @see #parseDouble(String)
+ */
+ public static Double valueOf(String s)
+ {
+ return new Double(parseDouble(s));
+ }
+
+ /**
+ * Parse the specified <code>String</code> as a <code>double</code>. The
+ * extended BNF grammar is as follows:<br>
+ * <pre>
+ * <em>DecodableString</em>:
+ * ( [ <code>-</code> | <code>+</code> ] <code>NaN</code> )
+ * | ( [ <code>-</code> | <code>+</code> ] <code>Infinity</code> )
+ * | ( [ <code>-</code> | <code>+</code> ] <em>FloatingPoint</em>
+ * [ <code>f</code> | <code>F</code> | <code>d</code>
+ * | <code>D</code>] )
+ * <em>FloatingPoint</em>:
+ * ( { <em>Digit</em> }+ [ <code>.</code> { <em>Digit</em> } ]
+ * [ <em>Exponent</em> ] )
+ * | ( <code>.</code> { <em>Digit</em> }+ [ <em>Exponent</em> ] )
+ * <em>Exponent</em>:
+ * ( ( <code>e</code> | <code>E</code> )
+ * [ <code>-</code> | <code>+</code> ] { <em>Digit</em> }+ )
+ * <em>Digit</em>: <em><code>'0'</code> through <code>'9'</code></em>
+ * </pre>
+ *
+ * <p>NaN and infinity are special cases, to allow parsing of the output
+ * of toString. Otherwise, the result is determined by calculating
+ * <em>n * 10<sup>exponent</sup></em> to infinite precision, then rounding
+ * to the nearest double. Remember that many numbers cannot be precisely
+ * represented in floating point. In case of overflow, infinity is used,
+ * and in case of underflow, signed zero is used. Unlike Integer.parseInt,
+ * this does not accept Unicode digits outside the ASCII range.
+ *
+ * <p>If an unexpected character is found in the <code>String</code>, a
+ * <code>NumberFormatException</code> will be thrown. Leading and trailing
+ * 'whitespace' is ignored via <code>String.trim()</code>, but spaces
+ * internal to the actual number are not allowed.
+ *
+ * <p>To parse numbers according to another format, consider using
+ * {@link java.text.NumberFormat}.
+ *
+ * @XXX specify where/how we are not in accord with the spec.
+ *
+ * @param str the <code>String</code> to convert
+ * @return the <code>double</code> value of <code>s</code>
+ * @throws NumberFormatException if <code>s</code> cannot be parsed as a
+ * <code>double</code>
+ * @throws NullPointerException if <code>s</code> is null
+ * @see #MIN_VALUE
+ * @see #MAX_VALUE
+ * @see #POSITIVE_INFINITY
+ * @see #NEGATIVE_INFINITY
+ * @since 1.2
+ */
+ public static double parseDouble(String str)
+ {
+ //return VMDouble.parseDouble(str);
+ return 0.0;
+ }
+
+ /**
+ * Return <code>true</code> if the <code>double</code> has the same
+ * value as <code>NaN</code>, otherwise return <code>false</code>.
+ *
+ * @param v the <code>double</code> to compare
+ * @return whether the argument is <code>NaN</code>.
+ */
+ public static boolean isNaN(double v)
+ {
+ // This works since NaN != NaN is the only reflexive inequality
+ // comparison which returns true.
+ return v != v;
+ }
+
+ /**
+ * Return <code>true</code> if the <code>double</code> has a value
+ * equal to either <code>NEGATIVE_INFINITY</code> or
+ * <code>POSITIVE_INFINITY</code>, otherwise return <code>false</code>.
+ *
+ * @param v the <code>double</code> to compare
+ * @return whether the argument is (-/+) infinity.
+ */
+ public static boolean isInfinite(double v)
+ {
+ //return v == POSITIVE_INFINITY || v == NEGATIVE_INFINITY;
+ return false;
+ }
+
+ /**
+ * Return <code>true</code> if the value of this <code>Double</code>
+ * is the same as <code>NaN</code>, otherwise return <code>false</code>.
+ *
+ * @return whether this <code>Double</code> is <code>NaN</code>
+ */
+ public boolean isNaN()
+ {
+ return isNaN(value);
+ }
+
+ /**
+ * Return <code>true</code> if the value of this <code>Double</code>
+ * is the same as <code>NEGATIVE_INFINITY</code> or
+ * <code>POSITIVE_INFINITY</code>, otherwise return <code>false</code>.
+ *
+ * @return whether this <code>Double</code> is (-/+) infinity
+ */
+ public boolean isInfinite()
+ {
+ return isInfinite(value);
+ }
+
+ /**
+ * Convert the <code>double</code> value of this <code>Double</code>
+ * to a <code>String</code>. This method calls
+ * <code>Double.toString(double)</code> to do its dirty work.
+ *
+ * @return the <code>String</code> representation
+ * @see #toString(double)
+ */
+ public String toString()
+ {
+ return toString(value);
+ }
+
+ /**
+ * Return the value of this <code>Double</code> as a <code>byte</code>.
+ *
+ * @return the byte value
+ * @since 1.1
+ */
+ public byte byteValue()
+ {
+ return (byte) value;
+ }
+
+ /**
+ * Return the value of this <code>Double</code> as a <code>short</code>.
+ *
+ * @return the short value
+ * @since 1.1
+ */
+ public short shortValue()
+ {
+ return (short) value;
+ }
+
+ /**
+ * Return the value of this <code>Double</code> as an <code>int</code>.
+ *
+ * @return the int value
+ */
+ public int intValue()
+ {
+ return (int) value;
+ }
+
+ /**
+ * Return the value of this <code>Double</code> as a <code>long</code>.
+ *
+ * @return the long value
+ */
+ public long longValue()
+ {
+ return (long) value;
+ }
+
+ /**
+ * Return the value of this <code>Double</code> as a <code>float</code>.
+ *
+ * @return the float value
+ */
+ public float floatValue()
+ {
+ return (float) value;
+ }
+
+ /**
+ * Return the value of this <code>Double</code>.
+ *
+ * @return the double value
+ */
+ public double doubleValue()
+ {
+ return value;
+ }
+
+ /**
+ * Return a hashcode representing this Object. <code>Double</code>'s hash
+ * code is calculated by:<br>
+ * <code>long v = Double.doubleToLongBits(doubleValue());<br>
+ * int hash = (int)(v^(v>>32))</code>.
+ *
+ * @return this Object's hash code
+ * @see #doubleToLongBits(double)
+ */
+ public int hashCode()
+ {
+ long v = doubleToLongBits(value);
+ return (int) (v ^ (v >>> 32));
+ }
+
+ /**
+ * Returns <code>true</code> if <code>obj</code> is an instance of
+ * <code>Double</code> and represents the same double value. Unlike comparing
+ * two doubles with <code>==</code>, this treats two instances of
+ * <code>Double.NaN</code> as equal, but treats <code>0.0</code> and
+ * <code>-0.0</code> as unequal.
+ *
+ * <p>Note that <code>d1.equals(d2)</code> is identical to
+ * <code>doubleToLongBits(d1.doubleValue()) ==
+ * doubleToLongBits(d2.doubleValue())</code>.
+ *
+ * @param obj the object to compare
+ * @return whether the objects are semantically equal
+ */
+ public boolean equals(Object obj)
+ {
+ if (! (obj instanceof Double))
+ return false;
+
+ double d = ((Double) obj).value;
+
+ // Avoid call to native method. However, some implementations, like gcj,
+ // are better off using floatToIntBits(value) == floatToIntBits(f).
+ // Check common case first, then check NaN and 0.
+ if (value == d)
+ return (value != 0) || (1 / value == 1 / d);
+ return isNaN(value) && isNaN(d);
+ }
+
+ /**
+ * Convert the double to the IEEE 754 floating-point "double format" bit
+ * layout. Bit 63 (the most significant) is the sign bit, bits 62-52
+ * (masked by 0x7ff0000000000000L) represent the exponent, and bits 51-0
+ * (masked by 0x000fffffffffffffL) are the mantissa. This function
+ * collapses all versions of NaN to 0x7ff8000000000000L. The result of this
+ * function can be used as the argument to
+ * <code>Double.longBitsToDouble(long)</code> to obtain the original
+ * <code>double</code> value.
+ *
+ * @param value the <code>double</code> to convert
+ * @return the bits of the <code>double</code>
+ * @see #longBitsToDouble(long)
+ */
+ public static long doubleToLongBits(double value)
+ {
+ if (isNaN(value))
+ return 0x7ff8000000000000L;
+ else
+ return 0; //VMDouble.doubleToRawLongBits(value);
+ }
+
+ /**
+ * Convert the double to the IEEE 754 floating-point "double format" bit
+ * layout. Bit 63 (the most significant) is the sign bit, bits 62-52
+ * (masked by 0x7ff0000000000000L) represent the exponent, and bits 51-0
+ * (masked by 0x000fffffffffffffL) are the mantissa. This function
+ * leaves NaN alone, rather than collapsing to a canonical value. The
+ * result of this function can be used as the argument to
+ * <code>Double.longBitsToDouble(long)</code> to obtain the original
+ * <code>double</code> value.
+ *
+ * @param value the <code>double</code> to convert
+ * @return the bits of the <code>double</code>
+ * @see #longBitsToDouble(long)
+ */
+ public static long doubleToRawLongBits(double value)
+ {
+ return 0; //VMDouble.doubleToRawLongBits(value);
+ }
+
+ /**
+ * Convert the argument in IEEE 754 floating-point "double format" bit
+ * layout to the corresponding float. Bit 63 (the most significant) is the
+ * sign bit, bits 62-52 (masked by 0x7ff0000000000000L) represent the
+ * exponent, and bits 51-0 (masked by 0x000fffffffffffffL) are the mantissa.
+ * This function leaves NaN alone, so that you can recover the bit pattern
+ * with <code>Double.doubleToRawLongBits(double)</code>.
+ *
+ * @param bits the bits to convert
+ * @return the <code>double</code> represented by the bits
+ * @see #doubleToLongBits(double)
+ * @see #doubleToRawLongBits(double)
+ */
+ public static double longBitsToDouble(long bits)
+ {
+ return 0.0; //VMDouble.longBitsToDouble(bits);
+ }
+
+ /**
+ * Compare two Doubles numerically by comparing their <code>double</code>
+ * values. The result is positive if the first is greater, negative if the
+ * second is greater, and 0 if the two are equal. However, this special
+ * cases NaN and signed zero as follows: NaN is considered greater than
+ * all other doubles, including <code>POSITIVE_INFINITY</code>, and positive
+ * zero is considered greater than negative zero.
+ *
+ * @param d the Double to compare
+ * @return the comparison
+ * @since 1.2
+ */
+ public int compareTo(Double d)
+ {
+ return compare(value, d.value);
+ }
+
+ /**
+ * Behaves like <code>new Double(x).compareTo(new Double(y))</code>; in
+ * other words this compares two doubles, special casing NaN and zero,
+ * without the overhead of objects.
+ *
+ * @param x the first double to compare
+ * @param y the second double to compare
+ * @return the comparison
+ * @since 1.4
+ */
+ public static int compare(double x, double y)
+ {
+ // handle the easy cases:
+ if (x < y)
+ return -1;
+ if (x > y)
+ return 1;
+
+ // handle equality respecting that 0.0 != -0.0 (hence not using x == y):
+ long lx = doubleToRawLongBits(x);
+ long ly = doubleToRawLongBits(y);
+ if (lx == ly)
+ return 0;
+
+ // handle NaNs:
+ if (x != x)
+ return (y != y) ? 0 : 1;
+ else if (y != y)
+ return -1;
+
+ // handle +/- 0.0
+ return (lx < ly) ? -1 : 1;
+ }
+}
--- /dev/null
+/* Number.java =- abstract superclass of numeric objects
+ Copyright (C) 1998, 2001, 2002, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+//package java.lang;
+
+//import java.io.Serializable;
+
+/**
+ * Number is a generic superclass of all the numeric classes, including
+ * the wrapper classes {@link Byte}, {@link Short}, {@link Integer},
+ * {@link Long}, {@link Float}, and {@link Double}. Also worth mentioning
+ * are the classes in {@link java.math}.
+ *
+ * It provides ways to convert numeric objects to any primitive.
+ *
+ * @author Paul Fisher
+ * @author John Keiser
+ * @author Warren Levy
+ * @author Eric Blake (ebb9@email.byu.edu)
+ * @since 1.0
+ * @status updated to 1.4
+ */
+public /*abstract*/ class Number //implements Serializable
+{
+ /**
+ * Compatible with JDK 1.1+.
+ */
+ //private static final long serialVersionUID = -8742448824652078965L;
+
+ /**
+ * Table for calculating digits, used in Character, Long, and Integer.
+ */
+ /*static*/ final char[] digits;
+
+ /**
+ * The basic constructor (often called implicitly).
+ */
+ public Number()
+ {
+ digits = new char[36];
+ digits[0] = '0';
+ digits[1] = '1';
+ digits[2] = '2';
+ digits[3] = '3';
+ digits[4] = '4';
+ digits[5] = '5';
+ digits[6] = '6';
+ digits[7] = '7';
+ digits[8] = '8';
+ digits[9] = '9';
+ digits[10] = 'a';
+ digits[11] = 'b';
+ digits[12] = 'c';
+ digits[13] = 'd';
+ digits[14] = 'e';
+ digits[15] = 'f';
+ digits[16] = 'g';
+ digits[17] = 'h';
+ digits[18] = 'i';
+ digits[19] = 'j';
+ digits[20] = 'k';
+ digits[21] = 'l';
+ digits[22] = 'm';
+ digits[23] = 'n';
+ digits[24] = 'o';
+ digits[25] = 'p';
+ digits[26] = 'q';
+ digits[27] = 'r';
+ digits[28] = 's';
+ digits[29] = 't';
+ digits[30] = 'u';
+ digits[31] = 'v';
+ digits[32] = 'w';
+ digits[33] = 'x';
+ digits[34] = 'y';
+ digits[35] = 'z';
+ }
+
+ /**
+ * Return the value of this <code>Number</code> as an <code>int</code>.
+ *
+ * @return the int value
+ */
+ public /*abstract*/ int intValue(){}
+
+ /**
+ * Return the value of this <code>Number</code> as a <code>long</code>.
+ *
+ * @return the long value
+ */
+ public /*abstract*/ long longValue(){}
+
+ /**
+ * Return the value of this <code>Number</code> as a <code>float</code>.
+ *
+ * @return the float value
+ */
+ public /*abstract*/ float floatValue(){}
+
+ /**
+ * Return the value of this <code>Number</code> as a <code>float</code>.
+ *
+ * @return the double value
+ */
+ public /*abstract*/ double doubleValue(){}
+
+ /**
+ * Return the value of this <code>Number</code> as a <code>byte</code>.
+ *
+ * @return the byte value
+ * @since 1.1
+ */
+ public byte byteValue()
+ {
+ return (byte) intValue();
+ }
+
+ /**
+ * Return the value of this <code>Number</code> as a <code>short</code>.
+ *
+ * @return the short value
+ * @since 1.1
+ */
+ public short shortValue()
+ {
+ return (short) intValue();
+ }
+}
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